Branch Current Equation:
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Branch current refers to the electric current flowing through a specific branch in a parallel circuit. It is calculated using Ohm's Law, which states that current equals voltage divided by resistance.
The calculator uses the branch current equation:
Where:
Explanation: The equation applies Ohm's Law to calculate the current flowing through a specific branch in a parallel circuit based on the voltage across that branch and its resistance.
Details: Calculating branch currents is essential for circuit analysis, power distribution planning, and ensuring proper operation of electrical systems. It helps in determining current distribution in parallel circuits and preventing overload conditions.
Tips: Enter voltage in volts and resistance in ohms. Both values must be positive numbers greater than zero for accurate calculation.
Q1: What is the difference between branch current and total current?
A: Branch current is the current through a specific parallel path, while total current is the sum of all branch currents in a parallel circuit.
Q2: How does branch current relate to voltage in parallel circuits?
A: In parallel circuits, the voltage across each branch is the same, but currents may differ based on the resistance of each branch.
Q3: What happens if resistance in a branch changes?
A: If resistance increases, branch current decreases (inverse relationship). If resistance decreases, branch current increases.
Q4: Can this formula be used for series circuits?
A: In series circuits, current is the same throughout, so branch current calculation isn't applicable in the same way.
Q5: What are typical units for branch current measurements?
A: Branch current is typically measured in amperes (A), though milliamperes (mA) or microamperes (μA) may be used for smaller currents.